Home / 21,047.73-31,576.47-6,256.32

Finding the Fourth Proportional to 21,047.73, 31,576.47 and 6,256.32

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Solution

The fourth proportional to 21,047.73, 31,576.47 and 6,256.32 is: 9,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047.73 : 31,576.47 = 6,256.32 : x
  2. Step 2: Convert to fraction form
    21,047.73/31,576.47 = 6,256.32/x
  3. Step 3: Cross multiply
    21,047.73x = 31,576.47 × 6,256.32
  4. Step 4: Simplify right side
    21,047.73x = 197,552,500.79
  5. Step 5: Solve for x
    x = 197,552,500.79/21,047.73
  6. Step 6: Final answer
    x = 9,385.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.